Home / 670,223.73-1,004,770.92-290,858.81

Finding the Fourth Proportional to 670,223.73, 1,004,770.92 and 290,858.81

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Solution

The fourth proportional to 670,223.73, 1,004,770.92 and 290,858.81 is: 436,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,223.73 : 1,004,770.92 = 290,858.81 : x
  2. Step 2: Convert to fraction form
    670,223.73/1,004,770.92 = 290,858.81/x
  3. Step 3: Cross multiply
    670,223.73x = 1,004,770.92 × 290,858.81
  4. Step 4: Simplify right side
    670,223.73x = 292,246,469,089.95
  5. Step 5: Solve for x
    x = 292,246,469,089.95/670,223.73
  6. Step 6: Final answer
    x = 436,043.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.